FURVERT!

abstract_background animal_genitalia animal_penis aseniyaaa balls bared_teeth black_body black_fur border_collie canid canine canine_genitalia canine_penis canis collie colored digital_media_(artwork)digitigrade dipstick_tail domestic_dog erection fangs feral floppy_ears fluffy fur genitals herding_dog hi_res knot knotted_penis looking_at_viewer male male_feral mammal markings masturbation multicolored_body multicolored_fur musky_penis pastoral_dog paws penile penile_masturbation penis presenting presenting_penis saggy_balls shaded sheath sheepdog skuru_(character)solo sparkles tail tail_markings teeth two_tone_body two_tone_fur vein veiny_penis white_body white_fur